Combination of 5, 3 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.
NGC 4485 and NGC 4490 are an interesting pair of interacting galaxies located in Canes Venatici. Both are fairly large and bright, with NGC 4490 being the larger and brighter of the pair.